@article{ZVMMF_2002_42_12_a1,
     author = {Kh. D. Ikramov},
     title = {A linear-time algorithm for verifying the copositivity of an acyclic matrix},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1771--1773},
     year = {2002},
     volume = {42},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2002_42_12_a1/}
}